11-year-old NEET gaming savant with pale skin, long messy bluish-white hair, red eyes & being 4'6 & 38KG.

She wears a purple over-sized sailor school uniform with a yellow ribbon & black stockings.

Shiro is a genius in logic & problems but has difficulty understanding emotions or behavior, she might be on the autism spectrum. She also rarely shows much emotion at all & despite her genius intellect, speaks in short, terse sentences. She has a dry, sarcastic, twisted sense of humour.